Complete Second Branchial Cleft Fistulas: A Clinicosurgical Experience.

A complete second branchial fistula is very rare and has an internal opening at the tonsillar fossa and an external opening at the lower third of the sternocleidomastoid (SCM). Patients commonly present with persistent or intermittent mucoid or mucopurulent discharge from an external opening. The diagnosis is most often clinical and radiological investigations are rarely needed.

Three-dimensional biofilm image reconstruction for assessing structural parameters.

Parameters representing three-dimensional (3D) biofilm structure are quantified from confocal laser-scanning microscope (CLSM) images. These 3D parameters describe the distribution of biomass pixels within the space occupied by a biofilm; however, they lack a direct connection to biofilm activity. As a result, researchers choose a handful of parameters without there being a consensus on a standard set of parameters.